39. Lymnaea stagnalis (Linnaeus, 1758)

Findings in Serbia.

Lymnaea (Lymnaea) stagnalis: Karaman (2001).

Lymnaea stagnalis: Tomić (1959); Frank et al. (1990); Jovanović (1990); Karaman (2001); Paunović et al. (2005); Karaman & Karaman (2007); Marković et al. (2012); Novaković (2014 –2019 pers. comm.); Gojšina (2021 pers. comm.).

Common name. Great pond snail.

Morphology. Large snails (conical shell with elongated pointed spire up to 50 mm long/high). Shell consists of 4.5–6 whorls, upper whorls are pointed, last whorl is inflated, umbilicus is closed. For more details see Welter-Schultes (2012: 50, figure on the top of the page).

Distribution and ecology. Holarctic species, reaches altitudes up to 1700 m.a.s.l. (Switzerland). Prefers shallow zones of stagnant and slow–flowing waters with dense vegetation (Glöer 2019). Fairly common snail in the Pannonian part of Serbia. It has been reported from the Danube and Sava Rivers, canals in the DTD system, streams and smaller rivers, lakes, ponds, marshes and accumulations in Vojvodina (Zlatica and Stari Begej Rivers, Ludaš and Kraljevac Lakes, Petrovaradinski rit, Obedska bara and Zasavica Wetlands). Also found in Petnica Lake (Valjevo Municipality). In Serbia, it reaches altitudes up to 200 m. a.s.l.

Other remarks. Shell morphology is extremely variable. On the IUCN Red List of threatened species it has been assessed as LC (Kebapçý & Van Damme 2011 a).

Genus Galba Schrank, 1803